22.11.2012, 18:13, "Koshelev Vladimir" <Vedun-Z@xxxxxxxxx>: > Hello, guys! > > I have written paravirtual interface for GPA->HPA translation inside guest. I build GPA->HPA translation table in guest virtual memory. > To do this, I need to translate userspace virtual address from memslot to host physical address. I use hva_to_pfn for it. It works fine, but linux doesn't free the guest > memory after guest power off. After testing I have found that cause of memory leak is hva_to_pfg call. You can find my code at http://pastebin.com/0zBV2aPN. > Do I translate hva to hpa in the right way? > > I do this patch for RHEL Linux Kernel 2.6.32-279.5.2.el6 because I use CentOS 6.3. > > Thanks! > > Vladimir. Fixed. I have found that kvm_release_pfn_clean is necessary for this case. Before that I thought hva_to_pfn just translates(doesn't map) the HVA, but it is not true. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
